38858128

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:695

約数の個数: 40

約数和(自身を含む): 78368000

約数和(自身を除く): 39509872

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 157, 248, 314, 496, 499, 628, 998, 1256, 1996, 2512, 3992, 4867, 7984, 9734, 15469, 19468, 30938, 38936, 61876, 77872, 78343, 123752, 156686, 247504, 313372, 626744, 1253488, 2428633, 4857266, 9714532, 19429064, 38858128]

約数ペア:

[(1, 38858128), (2, 19429064), (4, 9714532), (8, 4857266), (16, 2428633), (31, 1253488), (62, 626744), (124, 313372), (157, 247504), (248, 156686), (314, 123752), (496, 78343), (499, 77872), (628, 61876), (998, 38936), (1256, 30938), (1996, 19468), (2512, 15469), (3992, 9734), (4867, 7984)]